15870920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 40158720

約数和(自身を除く): 24287800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1327, 1495, 2392, 2654, 2990, 5308, 5980, 6635, 10616, 11960, 13270, 17251, 26540, 30521, 34502, 53080, 61042, 69004, 86255, 122084, 138008, 152605, 172510, 244168, 305210, 345020, 396773, 610420, 690040, 793546, 1220840, 1587092, 1983865, 3174184, 3967730, 7935460, 15870920]

約数ペア:

[(1, 15870920), (2, 7935460), (4, 3967730), (5, 3174184), (8, 1983865), (10, 1587092), (13, 1220840), (20, 793546), (23, 690040), (26, 610420), (40, 396773), (46, 345020), (52, 305210), (65, 244168), (92, 172510), (104, 152605), (115, 138008), (130, 122084), (184, 86255), (230, 69004), (260, 61042), (299, 53080), (460, 34502), (520, 30521), (598, 26540), (920, 17251), (1196, 13270), (1327, 11960), (1495, 10616), (2392, 6635), (2654, 5980), (2990, 5308)]